http://billboards.bmediagroup.com/wp-content/uploads/2016/06/Litter-Hong-Kong.jpg639960AdminBMediahttp://billboards.bmediagroup.com/wp-content/uploads/2016/10/logo-1.pngAdminBMedia2016-06-30 13:40:262016-12-16 14:36:58A Billboard that Identifies People Who Litter